package servlets;

import classes.DB;
import classes.LifebookImagePin;
import classes.LifebookUser;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.json.JSONObject;

public class LoadPinsServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        try {
            List<LifebookImagePin> imagePinList = DB.getGetImagePins(Integer.parseInt(request.getParameter("imageID")));

            JSONArray pinArray = new JSONArray();
            for (LifebookImagePin imagePin : imagePinList) {
                JSONObject pin = new JSONObject();
                pin.put("pinID", imagePin.getPinID());
                pin.put("imageID", imagePin.getImageID());
                pin.put("pinCategory", imagePin.getPinCategory());
                pin.put("pinInfo", imagePin.getPinInfo());
                pin.put("x", imagePin.getX());
                pin.put("y", imagePin.getY());
                LifebookUser user = (LifebookUser)request.getSession().getAttribute("user");
                pin.put("pinIsLikedByUser", DB.pinIsLikedByUser(user.getUsername(), imagePin.getPinID()));

                JSONArray pinTagsArray = new JSONArray();
                for (String pinTag : imagePin.getPinTags()) {
                    pinTagsArray.put(pinTag);
                }
                pin.put("pinTagsArray", pinTagsArray);

                pinArray.put(pin);
            }

            out.print(pinArray);
        } catch (Exception ex) {
        }

    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
